nachia

• Username: 7★nachia
• Country:  Japan
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

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No. of Contests Participated: 7

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Starters 200 (Rated for all)(2025-08-20 23:00:00)

Global Rank:   2

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Global Rank:   0

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Contests (7)

Starters 169 (Rated)

Substring Strategy, No Palindromes, Constant Subsequence, Hamming equivalent, Make K Most Frequent, Opposite Attract, Entry Check

Starters 170 (Rated)

Array Compression, Crazy Jumping Frogs, Access Code Equality, qUiRkY qUesTs (Easy), Monster Monster, Minimum Bottles, qUiRkY qUesTs (Hard), Simultaneous Robots, Stabilize Warwick

Starters 172 (Rated till 5 stars)

Transform String, AndOr, Binary Trisection, Tactical Removal

Starters 173 (Rated upto < 2700)

Cool Subsequences, Postman and LLM, Modular Minimization, Introverts, Cool Checker, Min-Max Product Partition, Time Penalty, Overwrite

Starters 174 (Rated upto 2700)

GCD Add Size, Minimal Inversions, Meximal Sum, Mystic Slimes, Graph Monsters

Starters 175 (Rated till 5 stars)

Alternate It!, Multiplexer

Starters 176 (Rated till 4 star)

Same And, Friendly Binary Strings, Mex-P Tree (Hard), Clothing Store, Run for Fun, Costly Summit, Mex-P Tree (Easy)

Starters 177 (Rated till 5 star)

Matching Arrays

Starters 178 (Rated till 6 star)

Smoothly Increasing , Colosseum, Food Balance, Big Difference, Count Disjoint Arrays, Minimum Colours (Easy), Placing 01 And 10, Permutation Construct, Reduce to Palindrome, Minimum Colours (Hard)

Starters 179 (Rated till 5 star)

Max Swap And, Lost in the Fest!!, Set Major, Product Path, Station Allocation, Unlock The Safe, Conquer the Fest!!, Can you reach, Set Major (Prefix)

Starters 181 (Rated for all)

Costly Swapping, The Best Matrix, Tree Colouring (Hard), Tree Operations (Easy), Tree Operations (Hard), Flip Prefix

Starters 186 (Rated till 6 star)

Lighthouses, XOR with Add X, Distinct Arrays , Segment Tree Reconstruction, Mod and Make Y

Starters 187 (Rated till 6 star)

Anti-Subarray Sum, Major Infection, OR What, Minimize Tree GCD, Distinct Representations

Starters 188 (Rated till 6 star)

GCD and XOR 2 (Easy), GCD and XOR 2 (Hard), Swaps in a String, K Boxes, Inversion Queries, Yet Another Monsters Problem, Red and Blue Gems, Subset Sum 3, Train Even or Odd

Starters 189 (Rated till 5 star)

Sortable Subarrays (Hard), Sortable Subarrays (Easy)

Starters 191 (Rated till 6 star)

XOR Shortest Path

Starters 192 (Rated till 6 star)

No 3 Please!

Starters 193 (Rated for all)

Mex Tree (Min), Mex Tree (Max), Distance Multiplier, Interactive MST, Shop Game (Easy), Add Permutation

Starters 194 (Rated for all)

Tournament Construction, Terminal States, Speedrunning (Easy), Speedrunning (Medium), Mark All, Munchys Modulo, Speedrunning (Hard), Polygon (Subtasks Here), Chef Bakes Cake 1, Chef Bakes Cake 2, Chef Bakes Cake 3, Good Arrays (Cyclic), Good Arrays (Not Cyclic)

Starters 197 (Rated till 6 star)

Counting (Infinite), Counting (Finite), Good Ranking (Triplet), Good Ranking (Pair)

Starters 200 (Rated for all)

Permutation Counting (Easy), Permutation Counting (Hard), Lexicographic Matching, Minimum Set, Random NIM, Split Subarray Sort, Evading Robot, Restrict Palindromes, Chef Bakes Cake, Good Subsequence

Total Problems Solved: 129